[PATCH] Support -pie for aarch64*-elf targets.

[Tristan Gingold]

> On 19 Jul 2016, at 10:32, Nick Clifton <nickc@redhat.com> wrote:
> 
> Hi Roland,
> 
>> Other aarch64-* targets and other *-elf targets support -pie,
>> so this looks like it was just a simple oversight.
>> 
>> OK for trunk and 2.27 branch?
> 
> OK for trunk.
> 
> Not sure about the branch - Tristan will have to decide.  But it 
> is awfully close to release time.

That's still fine.